406074880

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1249}}^1$

素因数の和:1399

約数の個数: 80

約数和(自身を含む): 982080000

約数和(自身を除く): 576005120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 1016, 1249, 1270, 1280, 2032, 2498, 2540, 2560, 4064, 4996, 5080, 6245, 8128, 9992, 10160, 12490, 16256, 19984, 20320, 24980, 32512, 39968, 40640, 49960, 65024, 79936, 81280, 99920, 158623, 159872, 162560, 199840, 317246, 319744, 325120, 399680, 634492, 639488, 793115, 799360, 1268984, 1586230, 1598720, 2537968, 3172460, 3197440, 5075936, 6344920, 10151872, 12689840, 20303744, 25379680, 40607488, 50759360, 81214976, 101518720, 203037440, 406074880]

約数ペア:

[(1, 406074880), (2, 203037440), (4, 101518720), (5, 81214976), (8, 50759360), (10, 40607488), (16, 25379680), (20, 20303744), (32, 12689840), (40, 10151872), (64, 6344920), (80, 5075936), (127, 3197440), (128, 3172460), (160, 2537968), (254, 1598720), (256, 1586230), (320, 1268984), (508, 799360), (512, 793115), (635, 639488), (640, 634492), (1016, 399680), (1249, 325120), (1270, 319744), (1280, 317246), (2032, 199840), (2498, 162560), (2540, 159872), (2560, 158623), (4064, 99920), (4996, 81280), (5080, 79936), (6245, 65024), (8128, 49960), (9992, 40640), (10160, 39968), (12490, 32512), (16256, 24980), (19984, 20320)]